Solution to the problem of discoloration in carton printing

 Solution to the problem of discoloration in carton printing

When we use ink printing machines, we often meet the situation of color change. The following are the solutions to prevent the color change

1. first of all, we should check if the printing plate designt is reasonable, such as the large amount of ink pattern in the drag position, this is certainly not conducive to our printing high quality printing products, we should put them in the mouth position, which is conducive to hunting control teeth on paper, easier to print printing color, after doing this print we may be able to solve the problem of discoloration, can not be resolved, if after these efforts,the color still change, inform the maintenance company, to solve the problem quickly. www.chinacartonmachine.com

2. after we excluded the design problem, we should check whether there is a problem of ink system, check the ink system we can use a very simple method, first we use the water to clean the ink system, and check if there is white rime, if we have found the existence of such substances, so the discoloration may be by crystalline material, this make the local color change normally.

if none of these crystalline substance found, we restart the printing machine, ink to each roller, thenr we close on version roller and the version of the water roller, check whether the pressure reaches the standard, if not, I recommend that all the rollers pressure re adjustment, has reached a better state.